• John Danziger, Eric Weinhandl, David Friedman, and Kenneth J Mukamal.
• Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts jdanzige@bidmc.harvard.edu.
• J. Am. Soc. Nephrol. 2020 Sep 1; 31 (9): 2117-2121.

BackgroundRacial and ethnic disparities in vaccination rates for seasonal influenza exist. Whether such disparities extend to patients with ESKD, who simultaneously are at risk for complications of infection and have extensive contact with health care providers, has not been investigated.MethodsTo determine whether the proportion of patients vaccinated at a dialysis facility differs according to the facility's racial and ethnic composition, we examined dialysis facility data reported to the Centers for Medicare and Medicaid Services. The main outcome was the proportion of facility patients vaccinated for influenza among 6735 Medicare-certified facilities operating between 2014 and 2017.ResultsAmong dialysis facilities, the mean percentage of patients vaccinated during the influenza season was 72.1%. Facilities with higher proportions of Black and Hispanic patients had significantly lower vaccination percentages than less diverse facilities. The average proportion of patients vaccinated at each facility decreased significantly from 2014 to 2017 (a decrease of 1.05% vaccinated per year) and decreased significantly more so among facilities with higher minority proportions. The share of vaccinated patients in facilities in the quartile with the highest proportion of Black patients decreased 1.21% per year compared with a decrease of 0.88% per year in facilities in the quartile with the lowest proportion of Black patients. We found similar trends for Hispanic patients.ConclusionsRates of seasonal influenza vaccination are modestly but significantly lower among dialysis facilities with larger proportions of minority patients, and the gap seems to be widening over time. As wide-scale vaccination efforts grow more urgent amid the current COVID-19 pandemic, these disparities must be addressed to protect patients and communities equitably.Copyright © 2020 by the American Society of Nephrology.

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